CmisSync.Lib.Producer.Crawler.DescendantsTreeBuilder.GetRemoteDirectoryTree C# (CSharp) Метод

        public static IObjectTree<IFileableCmisObject> GetRemoteDirectoryTree(IFolder parent, IList<ITree<IFileableCmisObject>> descendants, IFilterAggregator filter, IIgnoredEntitiesStorage ignoredStorage, IPathMatcher matcher) {
            IList<IObjectTree<IFileableCmisObject>> children = new List<IObjectTree<IFileableCmisObject>>();
            if (descendants != null) {
                foreach (var child in descendants) {
                    if (child.Item is IFolder) {
                        string reason;
                        var folder = child.Item as IFolder;
                        if (!filter.FolderNamesFilter.CheckFolderName(folder.Name, out reason) && !filter.InvalidFolderNamesFilter.CheckFolderName(folder.Name, out reason)) {
                            if (folder.AreAllChildrenIgnored()) {
                                ignoredStorage.AddOrUpdateEntryAndDeleteAllChildrenFromStorage(new IgnoredEntity(folder, matcher));
                                Logger.Info(string.Format("Folder {0} with Id {1} is ignored", folder.Name, folder.Id));
                                children.Add(new ObjectTree<IFileableCmisObject> {
                                    Item = child.Item,
                                    Children = new List<IObjectTree<IFileableCmisObject>>()
                                });
                            } else {
                                ignoredStorage.Remove(folder.Id);
                                children.Add(GetRemoteDirectoryTree(folder, child.Children, filter, ignoredStorage, matcher));
                            }
                        } else {
                            Logger.Info(reason);
                        }
                    } else if (child.Item is IDocument) {
                        string reason;
                        if (!filter.FileNamesFilter.CheckFile(child.Item.Name, out reason)) {
                            children.Add(new ObjectTree<IFileableCmisObject> {
                                Item = child.Item,
                                Children = new List<IObjectTree<IFileableCmisObject>>()
                            });
                        } else {
                            Logger.Info(reason);
                        }
                    }
                }
            }

            var tree = new ObjectTree<IFileableCmisObject> {
                Item = parent,
                Children = children
            };

            return tree;
        }